n. [ L. Januarius, fr.
☞ Before the adoption of New Style, the commencement of the year was usually reckoned from March 25. [ 1913 Webster ]
n. [ L. See January. ] (Rom. Antiq.) A Latin deity represented with two faces looking in opposite directions. Numa is said to have dedicated to Janus the covered passage at Rome, near the Forum, which is usually called the Temple of Janus. This passage was open in war and closed in peace. Dr. W. Smith. [ 1913 Webster ]
Janus cloth,
a. Double-faced; deceitful. [ 1913 Webster ]
Janus-faced lock,
a. Double-headed. [ 1913 Webster ]